package main

import (
	"fmt"
)

type node struct {
	num int32
}

func main() {
	tmp := make(map[int32]*node)
	tmp[1] = tmp[2]
	fmt.Printf("%+v\n", tmp)

	xx := "12345678"
	fmt.Printf("%+v\n", xx[0:])

	chinese := "我是中国人民共和国公民"
	fmt.Println(len(chinese))
	fmt.Println(len([]rune(chinese)))
}
